{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:LNLSSCT46AZODP76UK2M4FQO2F","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"8bb9bc4b5f47445970e6e45452dc782528f1305d995eddd139ad301d0c4b2a78","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-08-22T17:15:52Z","title_canon_sha256":"8d15a3dd01dab6e62ed090b0cb0a622c8d4fb600e3305e88c3a58ce1a955ad30"},"schema_version":"1.0","source":{"id":"astro-ph/0208416","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0208416","created_at":"2026-07-04T16:30:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0208416v1","created_at":"2026-07-04T16:30:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0208416","created_at":"2026-07-04T16:30:40Z"},{"alias_kind":"pith_short_12","alias_value":"LNLSSCT46AZO","created_at":"2026-07-04T16:30:40Z"},{"alias_kind":"pith_short_16","alias_value":"LNLSSCT46AZODP76","created_at":"2026-07-04T16:30:40Z"},{"alias_kind":"pith_short_8","alias_value":"LNLSSCT4","created_at":"2026-07-04T16:30:40Z"}],"graph_snapshots":[{"event_id":"sha256:f445f4cb7085d78a5981b72ba9c58457ef6167fee37612fb766a7781a94a2eba","target":"graph","created_at":"2026-07-04T16:30:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0208416/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have considered the thermal equilibrium in pre-protostellar cores in the approximation where the dust temperature is independent of interactions with the gas and where the gas is heated both by collisions with dust grains and ionization by cosmic rays. We have then used these results to study the stability of cores in the limit where thermal pressure dominates over magnetic field and turbulence. We find that for cores with characteristics similar to those observed, the gas and dust temperatures are coupled in the core interior. As a consequence, the gas temperature like the dust temperature","authors_text":"D. Galli, J. Goncalves, M. Walmsley","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-08-22T17:15:52Z","title":"The structure and stability of molecular cloud cores in external radiation fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0208416","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1908e4a0386fa0fc2887cd1078f27856ed2a54ee22e25adec7dfb4cbab14833b","target":"record","created_at":"2026-07-04T16:30:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"8bb9bc4b5f47445970e6e45452dc782528f1305d995eddd139ad301d0c4b2a78","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-08-22T17:15:52Z","title_canon_sha256":"8d15a3dd01dab6e62ed090b0cb0a622c8d4fb600e3305e88c3a58ce1a955ad30"},"schema_version":"1.0","source":{"id":"astro-ph/0208416","kind":"arxiv","version":1}},"canonical_sha256":"5b57290a7cf032e1bffea2b4ce160ed14aeb04cbe63c56620b69d194e12211ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b57290a7cf032e1bffea2b4ce160ed14aeb04cbe63c56620b69d194e12211ff","first_computed_at":"2026-07-04T16:30:40.528233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:30:40.528233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V82Y4eUP4NAixUyBYPhFORQiqeqi1fhxsuhGc6YHAL2kd+nWr1ZJiQdSCCTMCrmmK8asxFVSB5a5h2EYh3V9AQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:30:40.528621Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0208416","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1908e4a0386fa0fc2887cd1078f27856ed2a54ee22e25adec7dfb4cbab14833b","sha256:f445f4cb7085d78a5981b72ba9c58457ef6167fee37612fb766a7781a94a2eba"],"state_sha256":"498043db16a64884e7fe445f558f4f3a8ea0f6da27b2015bb2b9a4e86aa8f462"}